Chemistry, 02.07.2021 01:00 lillypierre8796
N2(g) + 3H2(g) --> 2NH3(g); ΔH = -91.8 kJ
Consider the thermochemical equation for the synthesis of ammonia. Which statement is true?
a. negative enthalpy indicates that energy is required to complete the reaction.
b. Negative enthalpy indicates a decrease in potential energy and an endothermic reaction.
c. Enthalpy is negative indicating that energy is released so this is an exothermic reaction.
d. Enthalpy is negative indicating that there is an energy deficit; the reaction is incomplete.
Answers: 1
Another question on Chemistry
Chemistry, 22.06.2019 06:30
The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams
Answers: 2
Chemistry, 22.06.2019 06:30
Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line
Answers: 1
Chemistry, 22.06.2019 08:30
Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.
Answers: 1
Chemistry, 22.06.2019 11:00
What is the temperature of 0.750 mol of a gas stored in a 6,850 ml cylinder at 2.21 atm? . 2.95 k 5.24 k 138 k 246 k
Answers: 3
You know the right answer?
N2(g) + 3H2(g) --> 2NH3(g); ΔH = -91.8 kJ
Consider the thermochemical equation for the synthesis...
Questions
Mathematics, 02.08.2021 01:00
Physics, 02.08.2021 01:00
Chemistry, 02.08.2021 01:00
Mathematics, 02.08.2021 01:00
History, 02.08.2021 01:00
Mathematics, 02.08.2021 01:00
Mathematics, 02.08.2021 01:00
Mathematics, 02.08.2021 01:00
Mathematics, 02.08.2021 01:00
